Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 288, NWS Little Rock, AR

August 25, 2002Yell County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 25, 2002, 2:24 AM CDT for Yell County, Arkansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 25, 2002, 2:24 AM CDT (07:24 UTC)
Expired: Aug 25, 2002, 2:55 AM CDT
In force: 31 min
Issued by: NWS Little Rock, AR
Area: Whole counties

County Yell County, AR

The radar

The Western Arkansas radar (KSRX), 92 km from the middle of the area, began a volume at 07:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.4 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 60 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 1536 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 24, 11:45 PM CDT, 2 hours 39 minutes earlier.

Area forecast discussion, Aug 24, 11:45 PM CDT, 2 hours 39 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1145 PM CDT SAT AUG 24 2002

UPDATED FORECAST EARLIER THIS EVENING. SCATTERED STORMS DEVELOPING
IN NORTHEAST OKLAHOMA/SOUTHERN MISSOURI...AND WILL HEAD INTO
NORTHERN/WESTERN ARKANSAS OVERNIGHT. PUT IN CHANCE OF THUNDER
NORTH/WEST...WITH SLIGHT CHANCES OF PRECIPITATION ELSEWHERE.

OTHERWISE...FRONT IN NORTHERN ARKANSAS WILL MOVE SLOWLY SOUTH
OVERNIGHT AND ON SUNDAY. SCATTERED THUNDERSTORMS EXPECTED ALONG
FRONT...AND MAINLY ACROSS CENTRAL/SOUTHERN ARKANSAS ON SUNDAY.

FRONT WILL CONTINUE HEADING SOUTH EARLY NEXT WEEK OR WILL DISSIPATE.
BOTTOM LINE IS THAT SLIGHTLY COOLER/DRIER AIR WILL FILTER INTO THE
STATE FROM THE NORTH WITH RAIN CHANCES DECREASING. (46)

.LZK...NONE

In the hours before

Local storm report, Aug 24, 8:33 PM CDT, 5 hours 51 minutes before

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Local storm report, Aug 24, 8:37 PM CDT, 5 hours 47 minutes before

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Special weather statement, Aug 24, 8:41 PM CDT, 5 hours 43 minutes before

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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 2:56 AM CDT	Severe Thunderstorm Warning	LZK	Yell	29 min
Aug 25, 3:08 AM CDT	Severe Thunderstorm Warning	LZK	Logan	42 min
Aug 25, 3:44 AM CDT	Flash Flood Warning	LZK	Yell	2 hr
Aug 25, 5:29 AM CDT	Severe Thunderstorm Warning	LZK	Jefferson	46 min
Aug 25, 7:20 AM CDT	Severe Thunderstorm Warning	LZK	Desha	30 min
Aug 25, 7:21 AM CDT	Severe Thunderstorm Warning	LZK	Desha	29 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.